PARTICLE DETECTION APPARATUS

摘要

An apparatus for detecting particles (100) is disclosed, including: at least one detection chamber (103) having means to detect particles in at least one region of interest (118) within the chamber; at least one inlet port (526) for introducing an air sample into a respective detection chamber; and at least one outlet (528) from the detection chamber; wherein the detection chamber (118) is configured such that the air sample enters the inlet port in a first direction and after traversing the region of interest flows towards the outlet at least partially in a direction other than the first direction.